class A{
  public int getNumber(int a){
    return a+1;
  }
}
class xiti5_2 extends A{
  public int getNumber(int a){
    return a+100;
  }
  public static void main(String args[]) {
    A a = new A();
    System.out.println(a.getNumber(10));
    a = new B();
    System.out.println(a.getNumber(10));
  }
}
